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Contract OI history

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Oct 30, 2026 EXPIRATION

TSM $380.00 Put

TSM261030P00380000

Latest saved OI1,024Oct 23, 2026
Last change+492vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $380.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0245120 2026-10-02: 373 OI2026-10-05: 270 OI2026-10-06: 222 OI2026-10-07: 221 OI2026-10-08: 221 OI2026-10-09: 234 OI2026-10-14: 216 OI2026-10-15: 253 OI2026-10-16: 497 OI2026-10-21: 532 OI2026-10-23: 1,024 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,024+492
Oct 21, 2026532+35
Oct 16, 2026497+244
Oct 15, 2026253+37
Oct 14, 2026216-18
Oct 09, 2026234+13
Oct 08, 20262210
Oct 07, 2026221-1
Oct 06, 2026222-48
Oct 05, 2026270-103
Oct 02, 2026373No prior observation